sailing
Passage planning with wind, waves and tidal currents
Plan a departure window from the forecast for each leg, current predictions at the passes, and the stations along the route.
Reviewed 2026-10-11
Telltale · learn
Plan, race and review a sail
Passages, currents, racing, recording and your instruments on an Apple Watch or a Garmin.
sailing
Racing with Telltale: the race page, the start and the replay
Find your race, read the sailing instructions as a one-page brief, see the course on the chart, check the stations before the gun, start on an exact timer and replay the fleet afterwards.
Reviewed 2026-10-11
sailing
Record a sail and review it: replay, polar and the fleet
Record GPS and your instruments, then replay the sail on the chart, see where you were on or off your polar, set each leg against your rivals and check which forecast was right.
Reviewed 2026-10-11
sailing
Tides and currents for sailors
Tide versus current, slack and maximum flow, back-eddies, the Fraser River plume, wind against current, set and drift, and how to read CHS predictions.
Reviewed 2026-10-11
sailing
Telltale on a Garmin watch: instruments, start timer and recording
What the Telltale app shows on a Garmin watch: wind, boat speed and depth from your instruments, a start timer with the line and time to burn, the boat’s systems, and recording from the wrist. Works with B&G H5000 and Zeus.
Reviewed 2026-10-11
sailing
Telltale on Apple Watch: conditions, instruments, the start and heart rate
What Telltale shows on an Apple Watch: the wind at your spots and the race-day outlook, your instruments, the next mark, the start line and timer, the boat’s systems, heart rate and recording, with complications on the watch face.
Reviewed 2026-10-11
sailing
Weather routing for sailboats: polars, forecasts and currents
How a weather router turns your polar, every forecast model, tidal currents and depth into a route and a time to leave, and how to read routes that disagree.
Reviewed 2026-10-11
sailing
Sailing instruments on your phone: helm, laylines, the start and the fleet
What Telltale shows while you sail: speed and angle against your polar, the next mark and laylines, start line bias and timer, and the AIS fleet, from NMEA 0183, NMEA 2000, Signal K or B&G.
Reviewed 2026-10-11